CN211988972U - Soil screening device - Google Patents

Abstract

The utility model relates to a soil screening device, including the screening cylinder, the top of screening cylinder is provided with the cover, is provided with crushing unit on the cover, crushing unit is including smashing motor, crushing roller and crushing blade, and crushing roller passes the cover and is connected with crushing motor, and crushing motor passes through the support and is connected with the up end of cover, crushing blade and crushing roller are connected, crushing blade's up end and lower terminal surface are provided with vertical blade respectively, be provided with heating device between the inner wall of screening cylinder and the outer wall, heating device passes through electric wire external power supply, be provided with the gas vent on the cover, be connected with exhaust duct on this gas vent. The utility model discloses the cooperation design of well crushing blade and vertical blade can be smashed the soil of caking well.

Description

Soil screening device

Technical Field

The utility model relates to a soil screening installation technical field specifically is a soil sieving mechanism.

Background

Most soil nutrient analysis and determination require soil pretreatment, the soil can be better detected and repaired at a later stage after being collected through screening, the soil screening in the prior art mostly manually stirs and grinds the soil, and the mode often causes the condition of uneven soil size; in addition, a large amount of manpower is consumed in the stirring and grinding process, some soil contains some metal impurities, and if the soil is not cleaned, the later detection result of the soil is influenced; some soil moisture is higher, can appear the caking in the soil, can not filter well, the utility model discloses a new solution is proposed to above problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a soil screening device.

In order to achieve the above object, the utility model provides a following technical scheme: a soil screening device comprises a screening cylinder, a cylinder cover is arranged at the top end of the screening cylinder, a crushing assembly is arranged on the cylinder cover, the crushing assembly comprises a crushing motor, a crushing shaft and crushing blades, the crushing shaft passes through the cylinder cover to be connected with the crushing motor, the crushing motor is connected with the upper end face of the cylinder cover through a bracket, the crushing blade is connected with the crushing shaft, the upper end surface and the lower end surface of the crushing blade are respectively provided with a longitudinal blade, a heating device is arranged between the inner wall and the outer wall of the screening cylinder, the heating device is externally connected with a power supply through an electric wire, an exhaust port is arranged on the cylinder cover, be connected with exhaust duct on this gas vent, the inside support frame that is provided with of exhaust duct is provided with base cloth layer, absorbent resin layer and the cotton layer of air filtration on the support frame, the bottom of filter cylinder is provided with the discharge gate, and this discharge gate is connected with filtering component.

Preferably, the filter assembly includes the cartridge filter, and this cartridge filter inside is provided with the frame, and the frame is provided with a plurality ofly, and the equidistant installation inside the cartridge filter respectively, all is provided with the filter screen on each frame.

Preferably, the diameters of the meshes of the filter screen on the frame are sequentially reduced from top to bottom.

Preferably, the frame is installed in the filter cartridge at an inclination.

Preferably, the inner wall of the filter cartridge is provided with a sliding groove, the two sides of the frame are provided with sliding blocks, and the sliding blocks are connected with the filter cartridge through bolts.

Preferably, the heating device is a heating wire installed between the inner wall and the outer wall of the screening drum.

Preferably, the filter cartridge is connected with the screening cylinder through a conveying pipeline.

Preferably, the discharge hole is provided with a cut-off valve.

Compared with the prior art, the utility model provides a soil sieving mechanism possesses following beneficial effect:

the utility model has the advantages that the matching design of the crushing blades and the longitudinal blades can crush soil well, and can crush some caked soil well; the soil in the screening cylinder is heated through the electric heating wires, so that the humidity in the soil can be reduced, dust and moisture generated in the crushing process are conveyed to the exhaust pipeline through the exhaust port, and the dust and the moisture can be well adsorbed through the base cloth layer, the water absorption resin layer and the air filtering cotton layer; in addition, the design of a plurality of filter screens can be filtered the not impurity of equidimension in the soil, makes things convenient for the staff to use, has further improved the screening effect of soil.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 showing the frame and the filter net;

fig. 3 is a schematic view of the matching structure of the screen cylinder and the heating device in fig. 1 according to the present invention.

In the figure: 1. a screening cylinder; 2. a cylinder cover; 3. a grinding motor; 4. a crushing shaft; 5. a crushing blade; 6. a support; 7. a longitudinal blade; 8. a heating device; 9. an exhaust duct; 10. a support frame; 11. a base cloth layer; 12. a water-absorbent resin layer; 13. an air filtration cotton layer; 14. a filter cartridge; 15. a frame; 16. a filter screen; 17. a chute; 18. a slider; 19. a delivery pipeline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-3, a soil screening device comprises a screening cylinder 1, a cylinder cover 2 is arranged at the top end of the screening cylinder 1, a crushing assembly is arranged on the cylinder cover 2, the crushing assembly comprises a crushing motor 3, a crushing shaft 4 and a crushing blade 5, the crushing shaft 4 penetrates through the cylinder cover 2 and is connected with the crushing motor 3, the crushing motor 3 is connected with the upper end face of the cylinder cover 2 through a support 6, the crushing blade 5 is connected with the crushing shaft 4, the upper end face and the lower end face of the crushing blade 5 are respectively provided with a longitudinal blade 7, a heating device 8 is arranged between the inner wall and the outer wall of the screening cylinder 1, the heating device 8 is externally connected with a power supply through an electric wire, the cylinder cover 2 is provided with an exhaust port, an exhaust pipeline 9 is connected on the exhaust port, a support frame 10 is arranged inside the exhaust pipeline 9, a base cloth layer 11, a water absorbing resin layer 12 and an air filtering cotton layer 13, the bottom of screen cylinder 1 is provided with the discharge gate, and this discharge gate is connected with filtering component.

When the soil treatment device is used, the cylinder cover 2 is opened, the cylinder cover 2 is in threaded connection with the screening cylinder 1, soil is put into the screening cylinder 1, then the crushing motor 3 is started, the crushing motor 3 drives the crushing shaft 4, the crushing shaft 4 drives the crushing blade 5 and the longitudinal blade 7 to rotate, so that some caked soil is crushed, and meanwhile, the heating device 8 is started, so that moist soil in the screening cylinder 1 is heated, moisture in the soil is removed, and the soil can be better used; in addition, produced dust and moisture in crushing process pass through the gas vent and carry to exhaust duct 9, adsorb dust and moisture through base cloth layer 11, water absorbent resin layer 12 and the cotton layer 13 of filtration can be fine to obtain the soil after smashing, the discharge gate through the bottom of cartridge filter 1 can outwards discharge the soil after smashing.

Example 2:

referring to fig. 1-3, in the present embodiment, the filter assembly includes a filter cartridge 14, a plurality of frames 15 are disposed inside the filter cartridge 14, the frames 15 are respectively installed inside the filter cartridge 14 at equal intervals, and a filter screen 16 is disposed on each frame 15; the diameter of the meshes of the filter screen 16 on the frame 15 is reduced from top to bottom in sequence.

In addition to embodiment 1, during use, pulverized soil is delivered into the filter cartridge 14 through the discharge port, soil entering the filter cartridge 14 is filtered by the filter screen 16, a vibrator is preferably disposed on the lower end surface of the filter screen 16, so that the filtering effect of soil is improved, a discharge port is disposed at the bottom end of the filter cartridge 14, and finally, the filtered soil is discharged to the outside through the discharge port, and in this embodiment, the frame 15 is preferably horizontally disposed in the filter cartridge 14.

Example 3:

referring to fig. 1-3, in the present embodiment, on the basis of embodiment 2, the frame 15 is installed in the filter cartridge 14 in an inclined manner. The soil is connected in an inclined way, so that the soil can better move on the filter screen 16, and the filtering effect is further improved.

In this embodiment, the inner wall of the filter cartridge 14 is provided with a sliding slot 17, and two sides of the frame 15 are provided with sliding blocks 18, and the sliding blocks 18 are connected with the filter cartridge 14 through bolts. The filter cartridge 14 and the sliding block 18 are connected together through bolts, so that the filter cartridge 14 and the sliding block 18 are convenient to disassemble and assemble, and the filter cartridge 14 and the sliding block 18 are respectively provided with threaded holes corresponding to each other.

In this embodiment, the heating device 8 is a heating wire, which is installed between the inner wall and the outer wall of the screen cylinder 1. Through the heating of the inside soil of electric heat silk to the cartridge filter 1 to moisture in the soil can evaporate, in addition, preferably be provided with heat insulating mattress and heat preservation pad on the outer wall of cartridge filter 1, prevent that it from appearing scalding staff's accident, also can keep warm to the temperature in the cartridge filter 1 simultaneously.

In this embodiment, the filter cartridge 14 and the screen cylinder 1 are connected by a delivery conduit 19. The crushed soil can be transported into the filter cartridge 14 through the transport conduit 19.

In this embodiment, the discharge hole is provided with a shutoff valve. The design of the interception valve can well control the conveying of the soil. The shutoff valve can be manual or electromagnetic, and the operator can select according to the actual conditions.

The screening cartridges 1 and the filter cartridges 14 in embodiments 1, 2 and 3 are mounted on a frame.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. A soil screening device comprises a screening cylinder (1) and is characterized in that a cylinder cover (2) is arranged at the top end of the screening cylinder (1), a crushing assembly is arranged on the cylinder cover (2) and comprises a crushing motor (3), a crushing shaft (4) and crushing blades (5), the crushing shaft (4) penetrates through the cylinder cover (2) to be connected with the crushing motor (3), the crushing motor (3) is connected with the upper end face of the cylinder cover (2) through a support (6), the crushing blades (5) are connected with the crushing shaft (4), the upper end face and the lower end face of each crushing blade (5) are respectively provided with a longitudinal blade (7), a heating device (8) is arranged between the inner wall and the outer wall of the screening cylinder (1), the heating device (8) is externally connected with a power supply through an electric wire, an exhaust port is formed in the cylinder cover (2), and an exhaust pipeline (9) is connected onto the exhaust port, exhaust duct (9) inside is provided with support frame (10), is provided with base cloth layer (11), absorbent resin layer (12) and air filter cotton layer (13) on support frame (10), the bottom of filter cylinder (1) is provided with the discharge gate, and this discharge gate is connected with filtering component.

2. A soil screening apparatus according to claim 1, wherein: the filter assembly comprises a filter cartridge (14), a plurality of frames (15) are arranged inside the filter cartridge (14), the frames (15) are respectively installed inside the filter cartridge (14) at equal intervals, and a filter screen (16) is arranged on each frame (15).

3. A soil screening apparatus according to claim 2, wherein: the mesh diameters of the filter screens (16) on the frame (15) are sequentially reduced from top to bottom.

4. A soil screening apparatus according to claim 2, wherein: the frame (15) is mounted in the filter cartridge (14) at an inclination.

5. A soil screening apparatus according to claim 2, wherein: the inner wall of the filter cartridge (14) is provided with a sliding groove (17), two sides of the frame (15) are provided with sliding blocks (18), and the sliding blocks (18) are connected with the filter cartridge (14) through bolts.

6. A soil screening apparatus according to claim 1, wherein: the heating device (8) is an electric heating wire and is arranged between the inner wall and the outer wall of the screening drum (1).

7. A soil screening apparatus according to claim 2, wherein: the filter cartridge (14) is connected with the screening cartridge (1) through a material conveying pipeline (19).

8. A soil screening apparatus according to claim 1, wherein: and the discharge hole is provided with a cut-off valve.

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